<template>
  <div class="my-counter">
    <button type="button" class="btn btn-light" @click="jianFn">-</button>
    <input type="number" class="form-control inp" v-model="obj.goods_count" @blur="jiaoyan">
    <button type="button" class="btn btn-light" @click="jiaFn">+</button>
  </div>
</template>

<script>
export default {
    props:{
        obj:{
            type:Object,
            require:true,
        }
    },
    methods:{
        jianFn(){
            if(this.obj.goods_count<=1)return
            this.obj.goods_count--
        },
        jiaFn(){
            this.obj.goods_count++
        },
        jiaoyan(){
            if(this.obj.goods_count<=0){
                this.obj.goods_count=1
            }
        }
    }
}
</script>

<style lang="less" scoped>
.my-counter {
  display: flex;
  .inp {
    width: 45px;
    text-align: center;
    margin: 0 10px;
  }
  .btn, .inp{
    transform: scale(0.9);
  }
}
</style>